$raiz\left(2\left(x^2+1\right)^3\:-\:3\left(x^2+1\right)\right)$
$6x-18\ge8x-4$
$8\cdot\left(-71\right)$
$14x^2-3x-2=0$
$\int\left(\left(4x+2\right)e^x\right)dx$
$\left(2-3\right)+\left(32-81\right)$
$-4^2+-5^2-2$
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